2479869 has 16 divisors (see below), whose sum is σ = 4199040. Its totient is φ = 1416960.

The previous prime is 2479849. The next prime is 2479879. The reversal of 2479869 is 9689742.

It is a happy number.

It is not a de Polignac number, because 2479869 - 2¹¹ = 2477821 is a prime.

It is a super-2 number, since 2×2479869² = 12299500514322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2479849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6372 + ... + 6749.

It is an arithmetic number, because the mean of its divisors is an integer number (262440).

2^2479869 is an apocalyptic number.

It is an amenable number.

2479869 is a deficient number, since it is larger than the sum of its proper divisors (1719171).

2479869 is a wasteful number, since it uses less digits than its factorization.

2479869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13137 (or 13131 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 2479869 is about 1574.7599817115. The cubic root of 2479869 is about 135.3556056807.

The spelling of 2479869 in words is "two million, four hundred seventy-nine thousand, eight hundred sixty-nine".